Lin, N. (1976). Foundations of social research. McGraw-Hill.
Cita Chicago (17th ed.)Lin, Nan. Foundations of Social Research. New York: McGraw-Hill, 1976.
Cita MLA (9th ed.)Lin, Nan. Foundations of Social Research. McGraw-Hill, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.